A researcher has developed a set of breathing exercises and would like to investigate whether they can help to reduce anxiety.She wonders whether the breathing exercises for 15 minutes or for 30 minutes would be more effective.Design an appropriate experiment.

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The Answer of A researcher has developed a set of breathing exercises and would like to investigate whether they can help to reduce anxiety.She wonders whether the breathing exercises for 15 minutes or for 30 minutes would be more effective.Design an appropriate experiment.

A Researcher Has Developed a Set of Breathing Exercises and Would